Pension and Postretirement Plans (Tables)

9 Months Ended

Sep. 30, 2015

Pension and Postretirement Plans

Net periodic pension and postretirement health care benefit costs

The components of net periodic pension and postretirement health care benefit costs for the third quarter ended September 30 are as follows:

													U.S.
							International						Postretirement
	U.S. Pension						Pension						Health Care
(millions)	2015			2014			2015			2014			2015			2014
Service cost	$	19.1		$	16.6		$	8.2		$	8.5		$	0.9		$	1.1
Interest cost on benefit obligation	22.8			22.5			10.1			12.2			2.4			2.7
Expected return on plan assets	(33.2		)	(32.1		)	(14.0		)	(13.4		)	(0.2		)	(0.2		)
Recognition of net actuarial (gain) loss	12.1			5.9			3.9			1.9			(1.5		)	(2.1		)
Amortization of prior service cost (benefit)	(1.7		)	(1.7		)	—			0.2			—			(0.1		)
Settlements/curtailments	—			—			—			—			—			—
Total expense	$	19.1		$	11.2		$	8.2		$	9.4		$	1.6		$	1.4

The components of net periodic pension and postretirement health care benefit costs for the nine months ended September 30 are as follows:

													U.S.
							International						Postretirement
	U.S. Pension						Pension						Health Care
(millions)	2015			2014			2015			2014			2015			2014
Service cost	$	57.3		$	49.8		$	25.0		$	25.1		$	2.8		$	3.2
Interest cost on benefit obligation	68.4			67.5			30.2			37.5			7.2			8.1
Expected return on plan assets	(99.5		)	(96.3		)	(41.8		)	(41.0		)	(0.7		)	(0.8		)
Recognition of net actuarial (gain) loss	36.4			17.7			11.7			5.6			(4.6		)	(6.1		)
Amortization of prior service cost (benefit)	(5.2		)	(5.2		)	(0.1		)	0.4			(0.1		)	(0.2		)
Settlements/curtailments	—			—			—			0.1			—			—
Total expense	$	57.4		$	33.5		$	25.0		$	27.7		$	4.6		$	4.2